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Diffstat (limited to 'usr.sbin/usbconfig/dump.c')
-rw-r--r--usr.sbin/usbconfig/dump.c763
1 files changed, 763 insertions, 0 deletions
diff --git a/usr.sbin/usbconfig/dump.c b/usr.sbin/usbconfig/dump.c
new file mode 100644
index 000000000000..10ff2125853e
--- /dev/null
+++ b/usr.sbin/usbconfig/dump.c
@@ -0,0 +1,763 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
+ * Copyright (c) 2024 Baptiste Daroussin <bapt@FreeBSD.org>
+ * Copyright (c) 2025 The FreeBSD Foundation
+ *
+ * Portions of this software were developed by Björn Zeeb
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/queue.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <err.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+#include <ctype.h>
+#include <fcntl.h>
+
+#include <libusb20.h>
+#include <libusb20_desc.h>
+
+#include <dev/usb/usb_ioctl.h>
+
+#include "dump.h"
+#include "pathnames.h"
+
+#ifndef IOUSB
+#define IOUSB(a) a
+#endif
+
+#define DUMP0(n,type,field,...) dump_field(pdev, " ", #field, n->field);
+#define DUMP0L(n,type,field,...) dump_fieldl(pdev, " ", #field, n->field);
+#define DUMP1(n,type,field,...) dump_field(pdev, " ", #field, n->field);
+#define DUMP2(n,type,field,...) dump_field(pdev, " ", #field, n->field);
+#define DUMP3(n,type,field,...) dump_field(pdev, " ", #field, n->field);
+
+struct usb_product_info {
+ STAILQ_ENTRY(usb_product_info) link;
+ int id;
+ char *desc;
+};
+
+struct usb_vendor_info {
+ STAILQ_ENTRY(usb_vendor_info) link;
+ STAILQ_HEAD(,usb_product_info) devs;
+ int id;
+ char *desc;
+};
+
+STAILQ_HEAD(usb_vendors, usb_vendor_info);
+
+const char *
+dump_mode(uint8_t value)
+{
+ if (value == LIBUSB20_MODE_HOST)
+ return ("HOST");
+ return ("DEVICE");
+}
+
+const char *
+dump_speed(uint8_t value)
+{
+ ; /* style fix */
+ switch (value) {
+ case LIBUSB20_SPEED_LOW:
+ return ("LOW (1.5Mbps)");
+ case LIBUSB20_SPEED_FULL:
+ return ("FULL (12Mbps)");
+ case LIBUSB20_SPEED_HIGH:
+ return ("HIGH (480Mbps)");
+ case LIBUSB20_SPEED_VARIABLE:
+ return ("VARIABLE (52-480Mbps)");
+ case LIBUSB20_SPEED_SUPER:
+ return ("SUPER (5.0Gbps)");
+ case LIBUSB20_SPEED_SUPER_PLUS:
+ return ("SUPER+(10-20Gbps)");
+ default:
+ break;
+ }
+ return ("UNKNOWN ()");
+}
+
+const char *
+dump_power_mode(uint8_t value)
+{
+ ; /* style fix */
+ switch (value) {
+ case LIBUSB20_POWER_OFF:
+ return ("OFF");
+ case LIBUSB20_POWER_ON:
+ return ("ON");
+ case LIBUSB20_POWER_SAVE:
+ return ("SAVE");
+ case LIBUSB20_POWER_SUSPEND:
+ return ("SUSPEND");
+ case LIBUSB20_POWER_RESUME:
+ return ("RESUME");
+ default:
+ return ("UNKNOWN");
+ }
+}
+
+static void
+_dump_field(struct libusb20_device *pdev, const char *plevel,
+ const char *field, uint32_t value, bool list_mode)
+{
+ uint8_t temp_string[256];
+
+ if (list_mode) {
+ /* Skip fields we are not interested in. */
+ if (strcmp(field, "bLength") == 0 ||
+ strcmp(field, "bDescriptorType") == 0 ||
+ strcmp(field, "bMaxPacketSize0") == 0)
+ return;
+
+ printf("%s=%#06x ", field, value);
+ return;
+ }
+ printf("%s%s = 0x%04x ", plevel, field, value);
+
+ if (strlen(plevel) == 8) {
+ /* Endpoint Descriptor */
+
+ if (strcmp(field, "bEndpointAddress") == 0) {
+ if (value & 0x80)
+ printf(" <IN>\n");
+ else
+ printf(" <OUT>\n");
+ return;
+ }
+ if (strcmp(field, "bmAttributes") == 0) {
+ switch (value & 0x03) {
+ case 0:
+ printf(" <CONTROL>\n");
+ break;
+ case 1:
+ switch (value & 0x0C) {
+ case 0x00:
+ printf(" <ISOCHRONOUS>\n");
+ break;
+ case 0x04:
+ printf(" <ASYNC-ISOCHRONOUS>\n");
+ break;
+ case 0x08:
+ printf(" <ADAPT-ISOCHRONOUS>\n");
+ break;
+ default:
+ printf(" <SYNC-ISOCHRONOUS>\n");
+ break;
+ }
+ break;
+ case 2:
+ printf(" <BULK>\n");
+ break;
+ default:
+ printf(" <INTERRUPT>\n");
+ break;
+ }
+ return;
+ }
+ }
+ if ((field[0] == 'i') && (field[1] != 'd')) {
+ /* Indirect String Descriptor */
+ if (value == 0) {
+ printf(" <no string>\n");
+ return;
+ }
+ if (libusb20_dev_req_string_simple_sync(pdev, value,
+ temp_string, sizeof(temp_string))) {
+ printf(" <retrieving string failed>\n");
+ return;
+ }
+ printf(" <%s>\n", temp_string);
+ return;
+ }
+ if (strlen(plevel) == 2 || strlen(plevel) == 6) {
+
+ /* Device and Interface Descriptor class codes */
+
+ if (strcmp(field, "bInterfaceClass") == 0 ||
+ strcmp(field, "bDeviceClass") == 0) {
+
+ switch (value) {
+ case 0x00:
+ printf(" <Probed by interface class>\n");
+ break;
+ case 0x01:
+ printf(" <Audio device>\n");
+ break;
+ case 0x02:
+ printf(" <Communication device>\n");
+ break;
+ case 0x03:
+ printf(" <HID device>\n");
+ break;
+ case 0x05:
+ printf(" <Physical device>\n");
+ break;
+ case 0x06:
+ printf(" <Still imaging>\n");
+ break;
+ case 0x07:
+ printf(" <Printer device>\n");
+ break;
+ case 0x08:
+ printf(" <Mass storage>\n");
+ break;
+ case 0x09:
+ printf(" <HUB>\n");
+ break;
+ case 0x0A:
+ printf(" <CDC-data>\n");
+ break;
+ case 0x0B:
+ printf(" <Smart card>\n");
+ break;
+ case 0x0D:
+ printf(" <Content security>\n");
+ break;
+ case 0x0E:
+ printf(" <Video device>\n");
+ break;
+ case 0x0F:
+ printf(" <Personal healthcare>\n");
+ break;
+ case 0x10:
+ printf(" <Audio and video device>\n");
+ break;
+ case 0x11:
+ printf(" <Billboard device>\n");
+ break;
+ case 0xDC:
+ printf(" <Diagnostic device>\n");
+ break;
+ case 0xE0:
+ printf(" <Wireless controller>\n");
+ break;
+ case 0xEF:
+ printf(" <Miscellaneous device>\n");
+ break;
+ case 0xFE:
+ printf(" <Application specific>\n");
+ break;
+ case 0xFF:
+ printf(" <Vendor specific>\n");
+ break;
+ default:
+ printf(" <Unknown>\n");
+ break;
+ }
+ return;
+ }
+ }
+ /* No additional information */
+ printf("\n");
+}
+
+static void
+dump_field(struct libusb20_device *pdev, const char *plevel,
+ const char *field, uint32_t value)
+{
+ _dump_field(pdev, plevel, field, value, false);
+}
+
+static void
+dump_fieldl(struct libusb20_device *pdev, const char *plevel,
+ const char *field, uint32_t value)
+{
+ _dump_field(pdev, plevel, field, value, true);
+}
+
+static void
+dump_extra(struct libusb20_me_struct *str, const char *plevel)
+{
+ const uint8_t *ptr;
+ uint8_t x;
+
+ ptr = NULL;
+
+ while ((ptr = libusb20_desc_foreach(str, ptr))) {
+ printf("\n" "%sAdditional Descriptor\n\n", plevel);
+ printf("%sbLength = 0x%02x\n", plevel, ptr[0]);
+ printf("%sbDescriptorType = 0x%02x\n", plevel, ptr[1]);
+ if (ptr[0] > 1)
+ printf("%sbDescriptorSubType = 0x%02x\n",
+ plevel, ptr[2]);
+ printf("%s RAW dump: ", plevel);
+ for (x = 0; x != ptr[0]; x++) {
+ if ((x % 8) == 0) {
+ printf("\n%s 0x%02x | ", plevel, x);
+ }
+ printf("0x%02x%s", ptr[x],
+ (x != (ptr[0] - 1)) ? ", " : (x % 8) ? "\n" : "");
+ }
+ printf("\n");
+ }
+}
+
+static void
+dump_endpoint(struct libusb20_device *pdev,
+ struct libusb20_endpoint *ep)
+{
+ struct LIBUSB20_ENDPOINT_DESC_DECODED *edesc;
+
+ edesc = &ep->desc;
+ LIBUSB20_ENDPOINT_DESC(DUMP3, edesc);
+ dump_extra(&ep->extra, " " " " " ");
+}
+
+static void
+dump_iface(struct libusb20_device *pdev,
+ struct libusb20_interface *iface)
+{
+ struct LIBUSB20_INTERFACE_DESC_DECODED *idesc;
+ uint8_t z;
+
+ idesc = &iface->desc;
+ LIBUSB20_INTERFACE_DESC(DUMP2, idesc);
+ dump_extra(&iface->extra, " " " " " ");
+
+ for (z = 0; z != iface->num_endpoints; z++) {
+ printf("\n Endpoint %u\n", z);
+ dump_endpoint(pdev, iface->endpoints + z);
+ }
+}
+
+static struct usb_vendors *
+load_vendors(void)
+{
+ const char *dbf;
+ FILE *db = NULL;
+ struct usb_vendor_info *cv;
+ struct usb_product_info *cd;
+ struct usb_vendors *usb_vendors;
+ char buf[1024], str[1024];
+ char *ch;
+ int id;
+
+ usb_vendors = malloc(sizeof(*usb_vendors));
+ if (usb_vendors == NULL)
+ err(1, "out of memory");
+ STAILQ_INIT(usb_vendors);
+ if ((dbf = getenv("USB_VENDOR_DATABASE")) != NULL)
+ db = fopen(dbf, "r");
+ if (db == NULL) {
+ dbf = _PATH_LUSBVDB;
+ if ((db = fopen(dbf, "r")) == NULL) {
+ dbf = _PATH_USBVDB;
+ if ((db = fopen(dbf, "r")) == NULL)
+ return (usb_vendors);
+ }
+ }
+ cv = NULL;
+ cd = NULL;
+
+ for (;;) {
+ if (fgets(buf, sizeof(buf), db) == NULL)
+ break;
+
+ if ((ch = strchr(buf, '#')) != NULL)
+ *ch = '\0';
+ if (ch == buf)
+ continue;
+ ch = strchr(buf, '\0') - 1;
+ while (ch > buf && isspace(*ch))
+ *ch-- = '\0';
+ if (ch <= buf)
+ continue;
+
+ /* Can't handle subvendor / subdevice entries yet */
+ if (buf[0] == '\t' && buf[1] == '\t')
+ continue;
+
+ /* Check for vendor entry */
+ if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) {
+ if ((id == 0) || (strlen(str) < 1))
+ continue;
+ if ((cv = malloc(sizeof(struct usb_vendor_info))) == NULL)
+ err(1, "out of memory");
+ if ((cv->desc = strdup(str)) == NULL)
+ err(1, "out of memory");
+ cv->id = id;
+ STAILQ_INIT(&cv->devs);
+ STAILQ_INSERT_TAIL(usb_vendors, cv, link);
+ continue;
+ }
+
+ /* Check for device entry */
+ if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) {
+ if ((id == 0) || (strlen(str) < 1))
+ continue;
+ if (cv == NULL)
+ continue;
+ if ((cd = malloc(sizeof(struct usb_product_info))) == NULL)
+ err(1, "out of memory");
+ if ((cd->desc = strdup(str)) == NULL)
+ err(1, "out of memory");
+ cd->id = id;
+ STAILQ_INSERT_TAIL(&cv->devs, cd, link);
+ continue;
+ }
+ }
+ if (ferror(db))
+ err(1, "error reading the usb id db");
+
+ fclose(db);
+ /* cleanup */
+ return (usb_vendors);
+}
+
+enum _device_descr_list_type {
+ _DEVICE_DESCR_LIST_TYPE_DEFAULT = 0,
+ _DEVICE_DESCR_LIST_TYPE_UGEN = 1,
+ _DEVICE_DESCR_LIST_TYPE_PRODUCT_VENDOR = 2,
+};
+
+static char *
+_device_desc(struct libusb20_device *pdev,
+ enum _device_descr_list_type list_type)
+{
+ static struct usb_vendors *usb_vendors = NULL;
+ char *desc = NULL;
+ const char *vendor = NULL, *product = NULL;
+ uint16_t vid;
+ uint16_t pid;
+ struct usb_vendor_info *vi;
+ struct usb_product_info *pi;
+ struct usb_device_info devinfo;
+
+ if (list_type == _DEVICE_DESCR_LIST_TYPE_UGEN) {
+ asprintf(&desc, "ugen%u.%u",
+ libusb20_dev_get_bus_number(pdev),
+ libusb20_dev_get_address(pdev));
+ return (desc);
+ }
+
+ vid = libusb20_dev_get_device_desc(pdev)->idVendor;
+ pid = libusb20_dev_get_device_desc(pdev)->idProduct;
+
+ if (usb_vendors == NULL)
+ usb_vendors = load_vendors();
+
+ STAILQ_FOREACH(vi, usb_vendors, link) {
+ if (vi->id == vid) {
+ vendor = vi->desc;
+ break;
+ }
+ }
+ if (vi != NULL) {
+ STAILQ_FOREACH(pi, &vi->devs, link) {
+ if (pi->id == pid) {
+ product = pi->desc;
+ break;
+ }
+ }
+ }
+
+ /*
+ * Try to gather the information; libusb2 unfortunately seems to
+ * only build an entire string but not save vendor/product individually.
+ */
+ if (vendor == NULL || product == NULL) {
+ char buf[64];
+ int f;
+
+ snprintf(buf, sizeof(buf), "/dev/" USB_GENERIC_NAME "%u.%u",
+ libusb20_dev_get_bus_number(pdev),
+ libusb20_dev_get_address(pdev));
+
+ f = open(buf, O_RDWR);
+ if (f < 0)
+ goto skip_vp_recovery;
+
+ if (ioctl(f, IOUSB(USB_GET_DEVICEINFO), &devinfo))
+ goto skip_vp_recovery;
+
+
+ if (vendor == NULL)
+ vendor = devinfo.udi_vendor;
+ if (product == NULL)
+ product = devinfo.udi_product;
+
+skip_vp_recovery:
+ if (f >= 0)
+ close(f);
+ }
+
+ if (list_type == _DEVICE_DESCR_LIST_TYPE_PRODUCT_VENDOR) {
+ asprintf(&desc, "vendor='%s' product='%s'",
+ (vendor != NULL) ? vendor : "",
+ (product != NULL) ? product : "");
+ return (desc);
+ }
+
+ if (vendor == NULL || product == NULL)
+ return (NULL);
+
+ asprintf(&desc, "ugen%u.%u: <%s %s> at usbus%u",
+ libusb20_dev_get_bus_number(pdev),
+ libusb20_dev_get_address(pdev),
+ product, vendor,
+ libusb20_dev_get_bus_number(pdev));
+
+ return (desc);
+}
+
+void
+dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv,
+ bool list_mode)
+{
+ char buf[128];
+ uint8_t n;
+ unsigned int usage;
+ char *desc;
+
+ usage = libusb20_dev_get_power_usage(pdev);
+
+ desc = _device_desc(pdev, (list_mode) ? _DEVICE_DESCR_LIST_TYPE_UGEN :
+ _DEVICE_DESCR_LIST_TYPE_DEFAULT);
+
+ if (list_mode)
+ printf("%s: ", desc);
+ else
+ printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n",
+ desc ? desc : libusb20_dev_get_desc(pdev),
+ libusb20_dev_get_config_index(pdev),
+ dump_mode(libusb20_dev_get_mode(pdev)),
+ dump_speed(libusb20_dev_get_speed(pdev)),
+ dump_power_mode(libusb20_dev_get_power_mode(pdev)),
+ usage);
+ free(desc);
+
+ if (list_mode || !show_ifdrv)
+ return;
+
+ for (n = 0; n != 255; n++) {
+ if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
+ break;
+ if (buf[0] == 0)
+ continue;
+ printf("ugen%u.%u.%u: %s\n",
+ libusb20_dev_get_bus_number(pdev),
+ libusb20_dev_get_address(pdev), n, buf);
+ }
+}
+
+void
+dump_be_quirk_names(struct libusb20_backend *pbe)
+{
+ struct libusb20_quirk q;
+ uint16_t x;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ printf("\nDumping list of supported quirks:\n\n");
+
+ for (x = 0; x != 0xFFFF; x++) {
+
+ error = libusb20_be_get_quirk_name(pbe, x, &q);
+ if (error) {
+ if (x == 0) {
+ printf("No quirk names - maybe the USB quirk "
+ "module has not been loaded.\n");
+ }
+ break;
+ }
+ if (strcmp(q.quirkname, "UQ_NONE"))
+ printf("%s\n", q.quirkname);
+ }
+ printf("\n");
+}
+
+void
+dump_be_dev_quirks(struct libusb20_backend *pbe)
+{
+ struct libusb20_quirk q;
+ uint16_t x;
+ int error;
+
+ memset(&q, 0, sizeof(q));
+
+ printf("\nDumping current device quirks:\n\n");
+
+ for (x = 0; x != 0xFFFF; x++) {
+
+ error = libusb20_be_get_dev_quirk(pbe, x, &q);
+ if (error) {
+ if (x == 0) {
+ printf("No device quirks - maybe the USB quirk "
+ "module has not been loaded.\n");
+ }
+ break;
+ }
+ if (strcmp(q.quirkname, "UQ_NONE")) {
+ printf("VID=0x%04x PID=0x%04x REVLO=0x%04x "
+ "REVHI=0x%04x QUIRK=%s\n",
+ q.vid, q.pid, q.bcdDeviceLow,
+ q.bcdDeviceHigh, q.quirkname);
+ }
+ }
+ printf("\n");
+}
+
+void
+dump_device_desc(struct libusb20_device *pdev, bool list_mode)
+{
+ struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
+
+ ddesc = libusb20_dev_get_device_desc(pdev);
+ if (list_mode) {
+ char *desc;
+
+ LIBUSB20_DEVICE_DESC(DUMP0L, ddesc);
+ desc = _device_desc(pdev, _DEVICE_DESCR_LIST_TYPE_PRODUCT_VENDOR);
+ printf("%s\n", (desc != NULL) ? desc : "");
+ free(desc);
+ } else {
+ LIBUSB20_DEVICE_DESC(DUMP0, ddesc);
+ }
+}
+
+void
+dump_config(struct libusb20_device *pdev, uint8_t all_cfg)
+{
+ struct LIBUSB20_CONFIG_DESC_DECODED *cdesc;
+ struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
+ struct libusb20_config *pcfg = NULL;
+ uint8_t cfg_index;
+ uint8_t cfg_index_end;
+ uint8_t x;
+ uint8_t y;
+
+ ddesc = libusb20_dev_get_device_desc(pdev);
+
+ if (all_cfg) {
+ cfg_index = 0;
+ cfg_index_end = ddesc->bNumConfigurations;
+ } else {
+ cfg_index = libusb20_dev_get_config_index(pdev);
+ cfg_index_end = cfg_index + 1;
+ }
+
+ for (; cfg_index != cfg_index_end; cfg_index++) {
+
+ pcfg = libusb20_dev_alloc_config(pdev, cfg_index);
+ if (!pcfg) {
+ continue;
+ }
+ printf("\n Configuration index %u\n\n", cfg_index);
+ cdesc = &(pcfg->desc);
+ LIBUSB20_CONFIG_DESC(DUMP1, cdesc);
+ dump_extra(&(pcfg->extra), " " " ");
+
+ for (x = 0; x != pcfg->num_interface; x++) {
+ printf("\n Interface %u\n", x);
+ dump_iface(pdev, pcfg->interface + x);
+ printf("\n");
+ for (y = 0; y != (pcfg->interface + x)->num_altsetting; y++) {
+ printf("\n Interface %u Alt %u\n", x, y + 1);
+ dump_iface(pdev,
+ (pcfg->interface + x)->altsetting + y);
+ printf("\n");
+ }
+ }
+ printf("\n");
+ free(pcfg);
+ }
+}
+
+void
+dump_string_by_index(struct libusb20_device *pdev, uint8_t str_index)
+{
+ char *pbuf;
+ uint8_t n;
+ uint8_t len;
+
+ pbuf = malloc(256);
+ if (pbuf == NULL)
+ err(1, "out of memory");
+
+ if (str_index == 0) {
+ /* language table */
+ if (libusb20_dev_req_string_sync(pdev,
+ str_index, 0, pbuf, 256)) {
+ printf("STRING_0x%02x = <read error>\n", str_index);
+ } else {
+ printf("STRING_0x%02x = ", str_index);
+ len = (uint8_t)pbuf[0];
+ for (n = 0; n != len; n++) {
+ printf("0x%02x%s", (uint8_t)pbuf[n],
+ (n != (len - 1)) ? ", " : "");
+ }
+ printf("\n");
+ }
+ } else {
+ /* ordinary string */
+ if (libusb20_dev_req_string_simple_sync(pdev,
+ str_index, pbuf, 256)) {
+ printf("STRING_0x%02x = <read error>\n", str_index);
+ } else {
+ printf("STRING_0x%02x = <%s>\n", str_index, pbuf);
+ }
+ }
+ free(pbuf);
+}
+
+void
+dump_device_stats(struct libusb20_device *pdev)
+{
+ struct libusb20_device_stats st;
+
+ if (libusb20_dev_get_stats(pdev, &st)) {
+ printf("{}\n");
+ } else {
+ printf("{\n"
+ " UE_CONTROL_OK : %llu\n"
+ " UE_ISOCHRONOUS_OK : %llu\n"
+ " UE_BULK_OK : %llu\n"
+ " UE_INTERRUPT_OK : %llu\n"
+ " UE_CONTROL_FAIL : %llu\n"
+ " UE_ISOCHRONOUS_FAIL : %llu\n"
+ " UE_BULK_FAIL : %llu\n"
+ " UE_INTERRUPT_FAIL : %llu\n"
+ "}\n",
+ (unsigned long long)st.xfer_ok[0],
+ (unsigned long long)st.xfer_ok[1],
+ (unsigned long long)st.xfer_ok[2],
+ (unsigned long long)st.xfer_ok[3],
+ (unsigned long long)st.xfer_fail[0],
+ (unsigned long long)st.xfer_fail[1],
+ (unsigned long long)st.xfer_fail[2],
+ (unsigned long long)st.xfer_fail[3]);
+ }
+}